2020-2025
From January 2018 to December 2024, 75% of Lassa fever confirmed cases were from Ondo (33%), Edo (31%) and Bauchi (11%).
In 2025, as of epi week 11, 87% of LF cases are from Ondo (30%), Bauchi (24%), Edo (17%), and Taraba (16%) States.
Total confirmed cases: 604
Deaths from Confirmed Cases: 113
Case Fatality Ratio: 19%
Number of Health Care Workers: 19
| Years | Suspected cases | Confirmed cases | Deaths | CFR | ||||
|---|---|---|---|---|---|---|---|---|
| 2025 | 874 | 183 | 22 | 12% | ||||
| 2024 | 968 | 176 | 13 | 7% | ||||
| 2023 | 971 | 249 | 30 | 12% | ||||
| 2022 | 575 | 190 | 33 | 17% | ||||
| 2021 | 231 | 59 | 16 | 27% | ||||
| 2020 | 417 | 294 | 40 | 14% | ||||
Source: NCDC |
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| Years | Suspected cases | Confirmed cases | Deaths | CFR | ||||
|---|---|---|---|---|---|---|---|---|
| 2025 | 618 | 147 | 12 | 8% | ||||
| 2024 | 530 | 120 | 26 | 22% | ||||
| 2023 | 551 | 78 | 14 | 18% | ||||
| 2022 | 550 | 98 | 10 | 10% | ||||
| 2021 | 34 | 7 | 2 | 29% | ||||
| 2020 | 205 | 39 | 15 | 38% | ||||
Source: NCDC |
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| Years | Suspected cases | Confirmed cases | Deaths | CFR | ||||
|---|---|---|---|---|---|---|---|---|
| 2025 | 1011 | 102 | 15 | 15% | ||||
| 2024 | 1101 | 174 | 23 | 13% | ||||
| 2023 | 1314 | 231 | 30 | 13% | ||||
| 2022 | 1008 | 158 | 21 | 13% | ||||
| 2021 | 797 | 97 | 11 | 11% | ||||
| 2020 | 872 | 299 | 33 | 11% | ||||
Source: NCDC |
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| Years | Suspected cases | Confirmed cases | Deaths | CFR | ||||
|---|---|---|---|---|---|---|---|---|
| 2025 | 228 | 96 | 30 | 31% | ||||
| 2024 | 163 | 90 | 19 | 21% | ||||
| 2023 | 198 | 70 | 25 | 36% | ||||
| 2022 | 61 | 28 | 14 | 50% | ||||
| 2021 | 46 | 18 | 11 | 61% | ||||
| 2020 | 77 | 52 | 21 | 40% | ||||
Source: NCDC |
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| Years | Suspected cases | Confirmed cases | Deaths | CFR | ||||
|---|---|---|---|---|---|---|---|---|
| 2025 | 92 | 19 | 9 | 47% | ||||
| 2024 | 196 | 43 | 24 | 56% | ||||
| 2023 | 147 | 49 | 27 | 55% | ||||
| 2022 | 167 | 35 | 15 | 43% | ||||
| 2021 | 72 | 15 | 6 | 40% | ||||
| 2020 | 137 | 67 | 16 | 24% | ||||
Source: NCDC |
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| Years | Suspected cases | Confirmed cases | Deaths | CFR | ||||
|---|---|---|---|---|---|---|---|---|
| 2025 | 63 | 15 | 4 | 27% | ||||
| 2024 | 92 | 27 | 1 | 4% | ||||
| 2023 | 30 | 10 | 1 | 10% | ||||
| 2022 | 88 | 32 | 6 | 19% | ||||
| 2021 | 5 | 1 | 0 | 0% | ||||
| 2020 | 68 | 31 | 8 | 26% | ||||
Source: NCDC |
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| Years | Suspected cases | Confirmed cases | Deaths | CFR | ||||
|---|---|---|---|---|---|---|---|---|
| 2025 | 50 | 11 | 6 | 55% | ||||
| 2024 | 25 | 3 | 1 | 33% | ||||
| 2023 | 26 | 6 | 0 | 0% | ||||
| 2022 | 96 | 15 | 6 | 40% | ||||
| 2021 | 2 | 0 | 0 | – | ||||
| 2020 | 19 | 6 | 1 | 17% | ||||
Source: NCDC |
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| Years | Suspected cases | Confirmed cases | Deaths | CFR | ||||
|---|---|---|---|---|---|---|---|---|
| 2025 | 27 | 5 | 3 | 60% | ||||
| 2024 | 970 | 60 | 9 | 15% | ||||
| 2023 | 110 | 36 | 3 | 8% | ||||
| 2022 | 183 | 30 | 8 | 27% | ||||
| 2021 | 13 | 3 | 0 | 0% | ||||
| 2020 | 20 | 7 | 2 | 29% | ||||
Source: NCDC |
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Any questions or suggestions? Contact us: Anaïs Legand and Antoine Chaillon
As of 2025, week 11